
Ôn Chương I
Authored by Khang Vĩnh
Chemistry
10th Grade
Used 1+ times

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64 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Nguyên tử gồm những hạt cơ bản nào?
Proton, neutron, electron
Proton, electron, positron
Neutron, electron, photon
Proton, neutron, photon
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Điện tích hạt nhân bằng:
Z (đv e)
A (đv e)
n (đv e)
A – Z (đv e)
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Số khối A được tính bằng:
A = Z + n
A = Z – n
A = Z × n
A = Z / n
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Electron có điện tích là:
+1,6×10^-19 C
–1,6×10^-19 C
0
+9,1×10^-31 kg
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Hạt nào không mang điện?
Proton
Neutron
Electron
Tất cả đều mang điện
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Nguyên tử Oxi (Z=8) có số electron lớp ngoài cùng là:
2
4
6
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Nguyên tử Natri (Z=11) thuộc:
Chu kỳ 2, nhóm IA
Chu kỳ 3, nhóm IA
Chu kỳ 3, nhóm IIA
Chu kỳ 2, nhóm IIA
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